4-Methyl-1,5-octadiin-4(RS)-ol 、 3,4-二氢-2H-吡喃 、 对甲苯磺酸 以
苯 为溶剂,
以to provide 4-methyl-4(RS)-tetrahydropyran-2-yloxy-1,5-octadiyne which in turn的产率得到4-methyl-4(RS)-tetrahydropyran-2-yloxy-1,5-octadiyne
Compounds of the formula ##STR1## wherein R is phenyl cyclohexyl or lower alkyl containing 1-6 carbon atoms; R" is hydrogen or methyl; R'" is alkenyl or alkynyl having 3-5 carbon atoms; R' is hydrogen, tetrahydrofuran-2-yl tetrahydropyran-2-yl or trialkylsilyl wherein the alkyl contains 1-4 carbon atoms. Compounds of the present invention are useful in synthesizing prostaglandin like molecules which are active anti-secretory agents.